The Wavelength of Light Associated with the N = 2 $\times$

question 79

Multiple Choice

The wavelength of light associated with the n = 2 to n = 1 electron transition in the hydrogen spectrum is 1.216 $\times$ 10^-7 m.By what coefficient should this wavelength be multiplied to obtain the wavelength associated with the same electron transition in the Li²⁺ ion?

• A)1/9
• B)1/7
• C)1/4
• D)1/3
• E)1

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